JavaScript

In WEB development, we often encounter problems with cross-domain requests. Cross-domain problems, there are many solutions: Proxy request, domain settings, flash mode, Jsonp way, Access-control-allow-origin. The JSONP is the most versatile and

The code is as follows Copy Code function Mybrowser () {var useragent = navigator.useragent; Gets the useragent string for the browservar Isopera = Useragent.indexof ("Opera") >-1; Judge whether Opera browservar Isie =

The JavaScript length character length function, we use the length function for a lot of time, because you have to have the front desk judge whether a user's username and password length is what I want to specify. Advanced scripters often need

Introduction If statement should be more than a programmer's statement, many times to do if judgment, if statements generally use double equals to determine whether the two elements are consistent, if it is consistent, then return is true, and then

JavaScript and Java, C # and other languages also have some object-oriented features, but in fine comparison, it will be found that these features are not real object-oriented, many places are using the object itself to simulate object-oriented, so

function definitions and calls Define functions, in JavaScript, to define functions in the following ways: function ABS (x) { if (x >=0) {return x; } else{ return-x } } The above ABS () function is defined as follows: function

This article will use Js+cookie to implement this function, because the recent study of jquery, so it is also used, if you do not want to use jquery, then you need to understand the process of implementation can be, the code to write

Using the explicit constructor of REGEXP, the syntax is: New REGEXP ("pattern" [, "Flags"]). Use the implicit constructor of RegExp, in plain text format:/pattern/[flags]. The pattern section is required for the regular expression schema text to be

One, what is DOM? What do you mean Dom,dom is the Document Object model, a set of API interfaces that are based on browser programming (in this tutorial, DHTML programming), the recommended standards for the Web, and each browser has some subtle

JavaScript gets Event To start with a simple example, a simple button control is as follows: Then register the event for it, and in this case, how to get an event in JavaScript, especially Firefox. Please see: No accident, in the

Persistence.js is an asynchronous JavaScript Object database Mapping (ORM) framework. A separate, database-independent abstraction layer that can easily support new databases. The software was first designed for the browser, using HTML5 's Websql

Look at a piece of code first1 DOCTYPE HTML>2 HTMLLang= "en">3 Head>4 MetaCharSet= "UTF-8">5 title>Documenttitle>6 Head>7 Body>8 9 Script>Ten //an ordinary array One vararr=[3,5,2,6]; A //normal for loop

This series of blogs is a summary of my reading of the book "JavaScript DOM Programming Art". The partial theory of the front part of the book is the exact words, feel the need to record, to facilitate their own pages, but also hope to read this

Css block-level label, intra-row label, intra-row block label conversion (2), css label Css block-level label, intra-row label, and intra-row block label Conversion Copyright Notice Author: Yu Dian name Author blog:

Details about js front-end code exception monitoring and js Code monitoring Reading directory What is a front-end code exception? Window. onerror Write a js Error Reporting Library Note: Disadvantages: During normal work, js errors are a

01 -- css coding skills -- css secrets, 01 -- css secrets I. Minimize code duplication 1. Button #btn { padding: .3em .8em; border: 1px solid #446d88; background: #58a linear-gradient(hsla(0,0%,100%,.2),transparent); border-radius: .2em;

The example analyzes the working principle of the "JavaScript parser" in the browser, and the example analyzes the javascript When the browser reads HTML files, it will wake up the so-called "JavaScript parser" only when it encounters the After

Angular Form Verification instance details, angular form instance Form Verification When I went, I felt like I was a very stupid person. It was a waste of time because I had misspelled a word or something, we need to treat this problem correctly.

Data URI, not a URLURL is the abbreviation of uniform resource locator. Each accessible resource in the web has a URL address, such as an image, HTML file, js file, and style sheet file, we can use this address to download this resource.In fact, the

A set of fixed menus that can be slide out from the edge of any page. The slides can also be used on the left or right of the body from the left and right sides, respectively, so they are "pushed ".For example, how to trigger the enable and disable